Unit 4 Crossword - Shawn Miklich

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Across
  1. 1. Oxygen comes in through here and carbon dioxide goes out.
  2. 6. Carries deoxygenated blood to the heart.
  3. 7. The left upper cavity of the heart.
  4. 9. The wall separating the two chambers in the heart.
  5. 10. The left lower cavity of the heart.
  6. 13. The valve located between the right ventricle and the pulmonary artery.
  7. 15. The valve located between the Aorta and left ventricle.
  8. 16. The right lower cavity of the heart.
  9. 18. A large vein that carries deoxygenated blood to the heart.
  10. 19. The valve located between the left atria and ventricle.
  11. 20. Controls the heart rate.
Down
  1. 2. The heart's natural pace maker.
  2. 3. The valve located between the right atria and ventricle.
  3. 4. The right upper cavity of the heart.
  4. 5. Carries oxygenated blood to the rest of the body.
  5. 8. The tiniest blood vessels.
  6. 11. Tendons that connect the tricuspid valve and the bicuspid valve.
  7. 12. A large vein that carries deoxygenated blood to the heart.
  8. 14. A protein on red blood cells that carries oxygen.
  9. 17. The main artery of the body.